package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;


/**
 * 套餐管理
 */

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     *
     * @param setmealDto
     * @return
     */
    @PostMapping
    public R save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息:{}", setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }

    /**
     * 套餐分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R page(int page, int pageSize, String name) {
        //分页查询构造器
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();

        //添加查询条件根据name进行like模糊查询
        queryWrapper.eq(name != null, Setmeal::getName, name);
        //添加排序条件,根据更新时间降序排序
        queryWrapper.orderByDesc(Setmeal::getCreateTime);

        setmealService.page(pageInfo, queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal>records =pageInfo.getRecords();

        List<SetmealDto>list =records.stream().map((item)->{
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category != null) {
                //分类名
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);

            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /**
     *
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    public R delete(@RequestParam List<Long>ids){
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("删除套成功");

    }

    /**
     *
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal>queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal ::getCategoryId,setmeal.getCategoryId());

        queryWrapper.eq(setmeal.getStatus() !=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);


        return R.success(list);
    }



}
